1、Break in
穿戴新东西

I'm gonna break in my new shoes.
我要穿新鞋。

I'm gonna break in my new jacket.
我要穿我的新夹克。

2、Break in
驯服从未被驯化的动物

Once I broke in the horse, it's been very friendly.
一旦我驯服了这匹马，它就很友好了。

3、Break someone in
给某人新岗位培训

I have to break in the new cashier in the morning.
我明天要给那个新收银员培训。

4、Break in/into
擅自闯入别人住处

Two burglars broke into our office and stole all the computers.
两个盗贼闯入我们办公室，偷走了所有的电脑。

5、Break in
打断别人的对话

Sorry to break in, but I need to ask Rick something important.
不好意思打断了，但是我有重要的事要问Rick。